.helloElementPositionAndSize1 {
    top: 10%;
    left: 70%;
    width: 700px;
    height: 700px;
    background: linear-gradient(45deg, #00fb4f, #00ffc4);
    animation: text 5s ease-in-out infinite;
}

.helloElementPositionAndSize2 {
    left: 0;
    top: 50%;
    background: linear-gradient(45deg, #00a3fb, #0066ff);
    animation: text 5s ease-in-out infinite;
}

.helloElementPositionAndSize3 {
    background: linear-gradient(45deg, #9700fb, #dd00ff);
    animation: text 5s ease-in-out infinite;
    top: 70%;
    right: 10%;
}

@keyframes text {
    0% {
        transform: scale(1.0);
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1.0);
    }
}

.mainContainer {
    width: 80%;
    height: 100%;
    box-sizing: border-box;
    padding-top: 5%;
    padding-left: 15%;
    padding-right: 15%;
    overflow: scroll;
}

.mainContainer::-webkit-scrollbar-track {
    width: 0;
    height: 0;
}

.mainContainer::-webkit-scrollbar {
    width: 0;
    height: 0;
}

.card {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-sizing: border-box;
    padding: 10% 10%;
    border-radius: 10px;
    border: none;
    color: white;
    position: relative;
    cursor: pointer;
    font-weight: 900;
    transition-duration: .2s;
    background: red linear-gradient(0deg, #000, #272727);
}

.card:before, .card:after {
    content: '';
    position: absolute;
    left: -2px;
    top: -2px;
    border-radius: 10px;
    background: linear-gradient(45deg, #fb0094, #0000ff, #00ff00, #ffff00, #ff0000, #fb0094,
    #0000ff, #00ff00, #ffff00, #ff0000);
    background-size: 400%;
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    z-index: -1;
    animation: steam 20s linear infinite;
}

@keyframes steam {
    0% {
        background-position: 0 0;
    }

    50% {
        background-position: 400% 0;
    }

    100% {
        background-position: 0 0;
    }
}

.card:after {
    filter: blur(100px);
}

.card-body {
    min-height: 200px;
    width: 100%;
}